entered World War II, the War Department had joint responsibility for the project, because in 1942 it was clear that a great many different of the pilot plants, laboratories, and manufacturing facilities would have to be constructed by the U.S. Army Corps of Engineers so that the assigned scientists could carry out their assignment. In June 1942 the Corps of Engineers’ Manhattan District was originally allowed management of the construction work, and in September 1942 Brig. Gen. Leslie R. Groves was placed in command of all Army activities related to the project. “Manhattan Project” became the code name for research work that would expand across the
entered World War II, the War Department had joint responsibility for the project, because in 1942 it was clear that a great many different of the pilot plants, laboratories, and manufacturing facilities would have to be constructed by the U.S. Army Corps of Engineers so that the assigned scientists could carry out their assignment. In June 1942 the Corps of Engineers’ Manhattan District was originally allowed management of the construction work, and in September 1942 Brig. Gen. Leslie R. Groves was placed in command of all Army activities related to the project. “Manhattan Project” became the code name for research work that would expand across the